Home / 2,517.10-3,473.60-1,398.04

Finding the Fourth Proportional to 2,517.10, 3,473.60 and 1,398.04

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Solution

The fourth proportional to 2,517.10, 3,473.60 and 1,398.04 is: 1,929.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,517.10 : 3,473.60 = 1,398.04 : x
  2. Step 2: Convert to fraction form
    2,517.10/3,473.60 = 1,398.04/x
  3. Step 3: Cross multiply
    2,517.10x = 3,473.60 × 1,398.04
  4. Step 4: Simplify right side
    2,517.10x = 4,856,231.74
  5. Step 5: Solve for x
    x = 4,856,231.74/2,517.10
  6. Step 6: Final answer
    x = 1,929.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.